Consolidated Statements Of Comprehensive Income (Loss) (Parentheticals) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Pension liability adjustment, net of income tax benefit	$ 3,253	$ 4,438	$ 1,254
Less: reclassification adjustment for costs realized in net income, net of income tax expense	678	480	435
Unrealized losses on derivative instruments, net of income tax benefit	55	206	136
Less: reclassification adjustment for costs realized in net income, net of income tax	$ 28	$ 394	$ 177